<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>surfacegraph.cpp Example File | Qt Data Visualization 5.12.2</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtdatavisualization-index.html">Qt Data Visualization</a></td><td ><a href="qtdatavisualization-surface-example.html">Surface Example</a></td><td >surfacegraph.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtdatavisualization-index.html">Qt Data Visualization | Commercial or GPLv3</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">surfacegraph.cpp Example File</h1> <span class="subtitle">surface/surfacegraph.cpp</span> <!-- $$$surface/surfacegraph.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Data Visualization module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "surfacegraph.h"</span> <span class="preprocessor">#include <QtDataVisualization/QValue3DAxis></span> <span class="preprocessor">#include <QtDataVisualization/Q3DTheme></span> <span class="preprocessor">#include <QtGui/QImage></span> <span class="preprocessor">#include <QtCore/qmath.h></span> <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="type">QtDataVisualization</span>; <span class="keyword">const</span> <span class="type">int</span> sampleCountX <span class="operator">=</span> <span class="number">50</span>; <span class="keyword">const</span> <span class="type">int</span> sampleCountZ <span class="operator">=</span> <span class="number">50</span>; <span class="keyword">const</span> <span class="type">int</span> heightMapGridStepX <span class="operator">=</span> <span class="number">6</span>; <span class="keyword">const</span> <span class="type">int</span> heightMapGridStepZ <span class="operator">=</span> <span class="number">6</span>; <span class="keyword">const</span> <span class="type">float</span> sampleMin <span class="operator">=</span> <span class="operator">-</span><span class="number">8.0f</span>; <span class="keyword">const</span> <span class="type">float</span> sampleMax <span class="operator">=</span> <span class="number">8.0f</span>; SurfaceGraph<span class="operator">::</span>SurfaceGraph(<span class="type"><a href="q3dsurface.html">Q3DSurface</a></span> <span class="operator">*</span>surface) : m_graph(surface) { m_graph<span class="operator">-</span><span class="operator">></span>setAxisX(<span class="keyword">new</span> QValue3DAxis); m_graph<span class="operator">-</span><span class="operator">></span>setAxisY(<span class="keyword">new</span> QValue3DAxis); m_graph<span class="operator">-</span><span class="operator">></span>setAxisZ(<span class="keyword">new</span> QValue3DAxis); m_sqrtSinProxy <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsurfacedataproxy.html">QSurfaceDataProxy</a></span>(); m_sqrtSinSeries <span class="operator">=</span> <span class="keyword">new</span> QSurface3DSeries(m_sqrtSinProxy); fillSqrtSinProxy(); <span class="type">QImage</span> heightMapImage(<span class="string">":/maps/mountain"</span>); m_heightMapProxy <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qheightmapsurfacedataproxy.html">QHeightMapSurfaceDataProxy</a></span>(heightMapImage); m_heightMapSeries <span class="operator">=</span> <span class="keyword">new</span> QSurface3DSeries(m_heightMapProxy); m_heightMapSeries<span class="operator">-</span><span class="operator">></span>setItemLabelFormat(<span class="type">QStringLiteral</span>(<span class="string">"(@xLabel, @zLabel): @yLabel"</span>)); m_heightMapProxy<span class="operator">-</span><span class="operator">></span>setValueRanges(<span class="number">34.0f</span><span class="operator">,</span> <span class="number">40.0f</span><span class="operator">,</span> <span class="number">18.0f</span><span class="operator">,</span> <span class="number">24.0f</span>); m_heightMapWidth <span class="operator">=</span> heightMapImage<span class="operator">.</span>width(); m_heightMapHeight <span class="operator">=</span> heightMapImage<span class="operator">.</span>height(); } SurfaceGraph<span class="operator">::</span><span class="operator">~</span>SurfaceGraph() { <span class="keyword">delete</span> m_graph; } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>fillSqrtSinProxy() { <span class="type">float</span> stepX <span class="operator">=</span> (sampleMax <span class="operator">-</span> sampleMin) <span class="operator">/</span> <span class="type">float</span>(sampleCountX <span class="operator">-</span> <span class="number">1</span>); <span class="type">float</span> stepZ <span class="operator">=</span> (sampleMax <span class="operator">-</span> sampleMin) <span class="operator">/</span> <span class="type">float</span>(sampleCountZ <span class="operator">-</span> <span class="number">1</span>); <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataArray-typedef">QSurfaceDataArray</a></span> <span class="operator">*</span>dataArray <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataArray-typedef">QSurfaceDataArray</a></span>; dataArray<span class="operator">-</span><span class="operator">></span>reserve(sampleCountZ); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span> ; i <span class="operator"><</span> sampleCountZ ; i<span class="operator">+</span><span class="operator">+</span>) { <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataRow-typedef">QSurfaceDataRow</a></span> <span class="operator">*</span>newRow <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataRow-typedef">QSurfaceDataRow</a></span>(sampleCountX); <span class="comment">// Keep values within range bounds, since just adding step can cause minor drift due</span> <span class="comment">// to the rounding errors.</span> <span class="type">float</span> z <span class="operator">=</span> qMin(sampleMax<span class="operator">,</span> (i <span class="operator">*</span> stepZ <span class="operator">+</span> sampleMin)); <span class="type">int</span> index <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> sampleCountX; j<span class="operator">+</span><span class="operator">+</span>) { <span class="type">float</span> x <span class="operator">=</span> qMin(sampleMax<span class="operator">,</span> (j <span class="operator">*</span> stepX <span class="operator">+</span> sampleMin)); <span class="type">float</span> R <span class="operator">=</span> qSqrt(z <span class="operator">*</span> z <span class="operator">+</span> x <span class="operator">*</span> x) <span class="operator">+</span> <span class="number">0.01f</span>; <span class="type">float</span> y <span class="operator">=</span> (qSin(R) <span class="operator">/</span> R <span class="operator">+</span> <span class="number">0.24f</span>) <span class="operator">*</span> <span class="number">1.61f</span>; (<span class="operator">*</span>newRow)<span class="operator">[</span>index<span class="operator">+</span><span class="operator">+</span><span class="operator">]</span><span class="operator">.</span>setPosition(QVector3D(x<span class="operator">,</span> y<span class="operator">,</span> z)); } <span class="operator">*</span>dataArray <span class="operator"><</span><span class="operator"><</span> newRow; } m_sqrtSinProxy<span class="operator">-</span><span class="operator">></span>resetArray(dataArray); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>enableSqrtSinModel(bool enable) { <span class="keyword">if</span> (enable) { m_sqrtSinSeries<span class="operator">-</span><span class="operator">></span>setDrawMode(QSurface3DSeries<span class="operator">::</span>DrawSurfaceAndWireframe); m_sqrtSinSeries<span class="operator">-</span><span class="operator">></span>setFlatShadingEnabled(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setLabelFormat(<span class="string">"%.2f"</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setLabelFormat(<span class="string">"%.2f"</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setRange(sampleMin<span class="operator">,</span> sampleMax); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0.0f</span><span class="operator">,</span> <span class="number">2.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setRange(sampleMin<span class="operator">,</span> sampleMax); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setLabelAutoRotation(<span class="number">30</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setLabelAutoRotation(<span class="number">90</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setLabelAutoRotation(<span class="number">30</span>); m_graph<span class="operator">-</span><span class="operator">></span>removeSeries(m_heightMapSeries); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(m_sqrtSinSeries); <span class="comment">// Reset range sliders for Sqrt&Sin</span> m_rangeMinX <span class="operator">=</span> sampleMin; m_rangeMinZ <span class="operator">=</span> sampleMin; m_stepX <span class="operator">=</span> (sampleMax <span class="operator">-</span> sampleMin) <span class="operator">/</span> <span class="type">float</span>(sampleCountX <span class="operator">-</span> <span class="number">1</span>); m_stepZ <span class="operator">=</span> (sampleMax <span class="operator">-</span> sampleMin) <span class="operator">/</span> <span class="type">float</span>(sampleCountZ <span class="operator">-</span> <span class="number">1</span>); m_axisMinSliderX<span class="operator">-</span><span class="operator">></span>setMaximum(sampleCountX <span class="operator">-</span> <span class="number">2</span>); m_axisMinSliderX<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>); m_axisMaxSliderX<span class="operator">-</span><span class="operator">></span>setMaximum(sampleCountX <span class="operator">-</span> <span class="number">1</span>); m_axisMaxSliderX<span class="operator">-</span><span class="operator">></span>setValue(sampleCountX <span class="operator">-</span> <span class="number">1</span>); m_axisMinSliderZ<span class="operator">-</span><span class="operator">></span>setMaximum(sampleCountZ <span class="operator">-</span> <span class="number">2</span>); m_axisMinSliderZ<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>); m_axisMaxSliderZ<span class="operator">-</span><span class="operator">></span>setMaximum(sampleCountZ <span class="operator">-</span> <span class="number">1</span>); m_axisMaxSliderZ<span class="operator">-</span><span class="operator">></span>setValue(sampleCountZ <span class="operator">-</span> <span class="number">1</span>); } } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>enableHeightMapModel(bool enable) { <span class="keyword">if</span> (enable) { m_heightMapSeries<span class="operator">-</span><span class="operator">></span>setDrawMode(QSurface3DSeries<span class="operator">::</span>DrawSurface); m_heightMapSeries<span class="operator">-</span><span class="operator">></span>setFlatShadingEnabled(<span class="keyword">false</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setLabelFormat(<span class="string">"%.1f N"</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setLabelFormat(<span class="string">"%.1f E"</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">34.0f</span><span class="operator">,</span> <span class="number">40.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setAutoAdjustRange(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">18.0f</span><span class="operator">,</span> <span class="number">24.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setTitle(<span class="type">QStringLiteral</span>(<span class="string">"Latitude"</span>)); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setTitle(<span class="type">QStringLiteral</span>(<span class="string">"Height"</span>)); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setTitle(<span class="type">QStringLiteral</span>(<span class="string">"Longitude"</span>)); m_graph<span class="operator">-</span><span class="operator">></span>removeSeries(m_sqrtSinSeries); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(m_heightMapSeries); <span class="comment">// Reset range sliders for height map</span> <span class="type">int</span> mapGridCountX <span class="operator">=</span> m_heightMapWidth <span class="operator">/</span> heightMapGridStepX; <span class="type">int</span> mapGridCountZ <span class="operator">=</span> m_heightMapHeight <span class="operator">/</span> heightMapGridStepZ; m_rangeMinX <span class="operator">=</span> <span class="number">34.0f</span>; m_rangeMinZ <span class="operator">=</span> <span class="number">18.0f</span>; m_stepX <span class="operator">=</span> <span class="number">6.0f</span> <span class="operator">/</span> <span class="type">float</span>(mapGridCountX <span class="operator">-</span> <span class="number">1</span>); m_stepZ <span class="operator">=</span> <span class="number">6.0f</span> <span class="operator">/</span> <span class="type">float</span>(mapGridCountZ <span class="operator">-</span> <span class="number">1</span>); m_axisMinSliderX<span class="operator">-</span><span class="operator">></span>setMaximum(mapGridCountX <span class="operator">-</span> <span class="number">2</span>); m_axisMinSliderX<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>); m_axisMaxSliderX<span class="operator">-</span><span class="operator">></span>setMaximum(mapGridCountX <span class="operator">-</span> <span class="number">1</span>); m_axisMaxSliderX<span class="operator">-</span><span class="operator">></span>setValue(mapGridCountX <span class="operator">-</span> <span class="number">1</span>); m_axisMinSliderZ<span class="operator">-</span><span class="operator">></span>setMaximum(mapGridCountZ <span class="operator">-</span> <span class="number">2</span>); m_axisMinSliderZ<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>); m_axisMaxSliderZ<span class="operator">-</span><span class="operator">></span>setMaximum(mapGridCountZ <span class="operator">-</span> <span class="number">1</span>); m_axisMaxSliderZ<span class="operator">-</span><span class="operator">></span>setValue(mapGridCountZ <span class="operator">-</span> <span class="number">1</span>); } } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>adjustXMin(<span class="type">int</span> min) { <span class="type">float</span> minX <span class="operator">=</span> m_stepX <span class="operator">*</span> <span class="type">float</span>(min) <span class="operator">+</span> m_rangeMinX; <span class="type">int</span> max <span class="operator">=</span> m_axisMaxSliderX<span class="operator">-</span><span class="operator">></span>value(); <span class="keyword">if</span> (min <span class="operator">></span><span class="operator">=</span> max) { max <span class="operator">=</span> min <span class="operator">+</span> <span class="number">1</span>; m_axisMaxSliderX<span class="operator">-</span><span class="operator">></span>setValue(max); } <span class="type">float</span> maxX <span class="operator">=</span> m_stepX <span class="operator">*</span> max <span class="operator">+</span> m_rangeMinX; setAxisXRange(minX<span class="operator">,</span> maxX); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>adjustXMax(<span class="type">int</span> max) { <span class="type">float</span> maxX <span class="operator">=</span> m_stepX <span class="operator">*</span> <span class="type">float</span>(max) <span class="operator">+</span> m_rangeMinX; <span class="type">int</span> min <span class="operator">=</span> m_axisMinSliderX<span class="operator">-</span><span class="operator">></span>value(); <span class="keyword">if</span> (max <span class="operator"><</span><span class="operator">=</span> min) { min <span class="operator">=</span> max <span class="operator">-</span> <span class="number">1</span>; m_axisMinSliderX<span class="operator">-</span><span class="operator">></span>setValue(min); } <span class="type">float</span> minX <span class="operator">=</span> m_stepX <span class="operator">*</span> min <span class="operator">+</span> m_rangeMinX; setAxisXRange(minX<span class="operator">,</span> maxX); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>adjustZMin(<span class="type">int</span> min) { <span class="type">float</span> minZ <span class="operator">=</span> m_stepZ <span class="operator">*</span> <span class="type">float</span>(min) <span class="operator">+</span> m_rangeMinZ; <span class="type">int</span> max <span class="operator">=</span> m_axisMaxSliderZ<span class="operator">-</span><span class="operator">></span>value(); <span class="keyword">if</span> (min <span class="operator">></span><span class="operator">=</span> max) { max <span class="operator">=</span> min <span class="operator">+</span> <span class="number">1</span>; m_axisMaxSliderZ<span class="operator">-</span><span class="operator">></span>setValue(max); } <span class="type">float</span> maxZ <span class="operator">=</span> m_stepZ <span class="operator">*</span> max <span class="operator">+</span> m_rangeMinZ; setAxisZRange(minZ<span class="operator">,</span> maxZ); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>adjustZMax(<span class="type">int</span> max) { <span class="type">float</span> maxX <span class="operator">=</span> m_stepZ <span class="operator">*</span> <span class="type">float</span>(max) <span class="operator">+</span> m_rangeMinZ; <span class="type">int</span> min <span class="operator">=</span> m_axisMinSliderZ<span class="operator">-</span><span class="operator">></span>value(); <span class="keyword">if</span> (max <span class="operator"><</span><span class="operator">=</span> min) { min <span class="operator">=</span> max <span class="operator">-</span> <span class="number">1</span>; m_axisMinSliderZ<span class="operator">-</span><span class="operator">></span>setValue(min); } <span class="type">float</span> minX <span class="operator">=</span> m_stepZ <span class="operator">*</span> min <span class="operator">+</span> m_rangeMinZ; setAxisZRange(minX<span class="operator">,</span> maxX); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>setAxisXRange(<span class="type">float</span> min<span class="operator">,</span> <span class="type">float</span> max) { m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setRange(min<span class="operator">,</span> max); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>setAxisZRange(<span class="type">float</span> min<span class="operator">,</span> <span class="type">float</span> max) { m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setRange(min<span class="operator">,</span> max); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>changeTheme(<span class="type">int</span> theme) { m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setType(<span class="type"><a href="q3dtheme.html">Q3DTheme</a></span><span class="operator">::</span>Theme(theme)); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>setBlackToYellowGradient() { <span class="type">QLinearGradient</span> gr; gr<span class="operator">.</span>setColorAt(<span class="number">0.0</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>black); gr<span class="operator">.</span>setColorAt(<span class="number">0.33</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>blue); gr<span class="operator">.</span>setColorAt(<span class="number">0.67</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>red); gr<span class="operator">.</span>setColorAt(<span class="number">1.0</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>yellow); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setBaseGradient(gr); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setColorStyle(<span class="type"><a href="q3dtheme.html">Q3DTheme</a></span><span class="operator">::</span>ColorStyleRangeGradient); } <span class="type">void</span> SurfaceGraph<span class="operator">::</span>setGreenToRedGradient() { <span class="type">QLinearGradient</span> gr; gr<span class="operator">.</span>setColorAt(<span class="number">0.0</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>darkGreen); gr<span class="operator">.</span>setColorAt(<span class="number">0.5</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>yellow); gr<span class="operator">.</span>setColorAt(<span class="number">0.8</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>red); gr<span class="operator">.</span>setColorAt(<span class="number">1.0</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>darkRed); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setBaseGradient(gr); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setColorStyle(<span class="type"><a href="q3dtheme.html">Q3DTheme</a></span><span class="operator">::</span>ColorStyleRangeGradient); } </pre> </div> <!-- @@@surface/surfacegraph.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>